When I unplug it; it goes dead instantly. I suspected the battery. Can I get a new one without a complete rebuild? Otherwise it seems to work great. Thanks for the help.When I unplug it; it goes dead instantly. I suspected the battery. Can I get a new one without a complete rebuild? Otherwise it seems to work great. Thanks for the help.

Response was quick and confirmed my idea of the apparent problem. I intend to ship to the responder for repair. Thanks again for the service. Response was quick and confirmed my idea of the apparent problem. I intend to ship to the responder for repair. Thanks again for the service.

AnonymousDec 24, 2008

I just deleted some jpg files to save space and added gpx poi files Now when I turn it on it says 'loading maps' and then the screen goes blank. Battery fully charged.

sxj@talk21.comI just deleted some jpg files to save space and added gpx poi files Now when I turn it on it says 'loading maps' and then the screen goes blank. Battery fully charged.sxj@talk21.com

It is pretty easy to open up your nuvi,(but not recommended
by Garmin or me)...
looking at your nuvi from the back flip up the antenna. You will see two tiny
torx screws on the antenna. Remove them and carefully seperate the antenna
housing. Pay attention to how the antenna flex is seated because reassembling
the antenna housing can be tricky. On the left bottom side the pin assembly
that holds the antenna in is spring loaded. Pull the pin towards the center and
you will be able to seperate the antenna housing from the unit. Underneath you
will find two more tiny torx screws holding the main housing togather. Remove
those two screws and you are almost home. Now you need the special plastic tool
that you can get on ebay. The tool is used for opening ipods without mangling
them. Gently pry the case apart with this tool. Start where ever it is easiest
to get the tool in. Once opened you can figure the rest out for yourself. The
battery is flat and rectangular and is seated behind the circuit bourd attached
to the back cover.

I had a power button problem on my Nuvi 350 and Lance's description of opening the Nuvi was the best I came across.

a few suggestions to add:

#1. When the you remove the antenna, that spring loaded clip will want to fly off into space. Both the plastic clip and the spring behind it are not held in by anything when the antenna is removed. Make sure you put your hand over it to catch it.

#2. Those torx screws are TINY. I have a pretty good security security bit set and not even close to small enough. I found a #2 precision screwdriver (3/64th slotted not phillips head) was able to bite on those screws pretty well without slipping and stripping.

Do you see a lightning bolt symbol over the battery bar graph? This indicates that its charging. When you disconnect it from the car cradle, what happens? Does it stay on and ask you to select to stay on or shut down or does it go dead? If it goes dead right away, yes your battery is defective and needs to be replaced.

You probably need a new battery. Ifthey don't give you a new one under warranty, are third party Garmin repair services that will fix it for cheap. Also, I found an DYI GPS repair guide,so you can do it yourself too, not that difficult. The part is on Ebay.

1 Suggested Answer

Hi,
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Related Questions:

Make sure the fuse to your DC socket isn't blown. Check the fuse in the tip of the charger. When your Nuvi 660 is plugged into the cradle, you should see a yellow lightning bolt over the battery icon. If you don't see this, then your Nuvi isnt getting voltage from the car charger.

You can also have a bad cradle or charger plug that plugs into the cradle. More info can be found here:

Yes, many aftermarket chargers are not wired the same as a Garmin charger and will cause your Nuvi to think it's connected to a PC. What happened to the original charger that plugged into the cradle (the part your Nuvi snaps into?)

Your not the Lone Ranger on this problem. After awhile the battery will no longer take a charge. IT is not a replaceable battery by the user. It must be sent back to Garmin for a new battery. If you only use the gps when in a vehicle, it still will work fine when pluged into a 12v source.

Interesting problem but I have repaired this problem before. This is not going to be something you can fix yourself.....believe me... I have 30 years of experience in Electronics.

The headphone jack either has to be resoldered or replaced. When its loose, in most cases the pins of the jack are broken and/or the printed circuit board tracks have been torn off the board. The jack is a surface mount part.

A new jack must be installed but there is no way to solder in a new jack because the printed circuit board tracks are gone. The new jack must be installed with epoxy to the board and new wires have to be soldered from the printed circuit board to the jack.

It sounds like your battery is defective. They can be replaced. The Motorola phone cable is not wired exactly like the Garmin, and your Nuvi thinks it's connected to a PC. Radio Shack carries a charger for the Nuvi. I have one myself.

Connect the nuvi to the suction cup mount and the vehicle power cable.

Connect the USB cable to the nuvi and the computer. The computer will charge the nuvi as long as the computer is on. However, the unit will be in Mass Storage Mode and normal operation is not possible.

Connect the AC power cable and the nuvi to a wall outlet.

Please note: All of the nuvi series will come with a suction cup mount and vehicle power cable to charge the nuvi. However, only some of the nuvi models will come with an AC power cable and/or USB cable. If they did not come with the nuvi, they would be optional cables and would be a separate purchase. Garmin only recommends using an AC power charge that is purchased from Garmin. Third party power cables may not charge the nuvi. These cables may be purchased from Garmin or Garmin's dealers.